Year % of female population 1960 0.942720366078389 1961 0.987163220680965 1962 1.03427442615582 1963 1.0809386277504 1964 1.12329634001363 1965 1.16061772958025 1966 1.19372027178683 1967 1.22177118718623 1968 1.24654925824115 1969 1.27178729977507 1970 1.30102386121835 1971 1.33201252323247 1972 1.36374905320087 1973 1.39777415859422 1974 1.43197506534275 1975 1.46715711255215 1976 1.50357635756884 1977 1.5411914041516 1978 1.57940567668288 1979 1.61525506683065 1980 1.64813388885959 1981 1.67912603470781 1982 1.70757238300526 1983 1.73490067714562 1984 1.76470109024667 1985 1.79721954510565 1986 1.83511739124981 1987 1.88054046444852 1988 1.92904904270021 1989 1.9739583615447 1990 2.01340751234106 1991 2.04829429934188 1992 2.07565820613405 1993 2.09725335290696 1994 2.12116837011807 1995 2.150209845955 1996 2.18378766384836 1997 2.22140247654969 1998 2.26156304711136 1999 2.30102724478624 2000 2.33705080162733 2001 2.37228762960668 2002 2.40907838392796 2003 2.43871911082435 2004 2.45617610698315 2005 2.46433354361033 2006 2.46042477304394 2007 2.44294033838944 2008 2.41870369163671 2009 2.39707577577172 2010 2.38018576077729 2011 2.36926038829885 2012 2.36680329632075 2013 2.37056816239896 2014 2.37876017719907 2015 2.39245985254003 2016 2.41135560072202 2017 2.43777632478305 2018 2.47437477802622 2019 2.51920025318529 2020 2.56815698452931 2021 2.61425568152305 2022 2.65857027469592 2023 2.70691520628833